1275090485 has 8 divisors (see below), whose sum is σ = 1571463096. Its totient is φ = 992502720.

The previous prime is 1275090449. The next prime is 1275090497. The reversal of 1275090485 is 5840905721.

It can be written as a sum of positive squares in 4 ways, for example, as 565773796 + 709316689 = 23786^2 + 26633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1275090485 - 2²⁸ = 1006655029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3446006 + ... + 3446375.

It is an arithmetic number, because the mean of its divisors is an integer number (196432887).

Almost surely, 2^1275090485 is an apocalyptic number.

It is an amenable number.

1275090485 is a deficient number, since it is larger than the sum of its proper divisors (296372611).

1275090485 is an equidigital number, since it uses as much as digits as its factorization.

1275090485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6892423.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 1275090485 is about 35708.4091636690. The cubic root of 1275090485 is about 1084.3770936628.

The spelling of 1275090485 in words is "one billion, two hundred seventy-five million, ninety thousand, four hundred eighty-five".